Bidens striata Schott ex Sweet accepted as Bidens pilosa L. (original description)
Centrocarpha aristata (Banks ex Pursh) D.Don accepted as Rudbeckia triloba L. (original description)
Centrocarpha discolor (Pursh) D.Don (original description)
Centrocarpha triloba (L.) D.Don accepted as Rudbeckia subtomentosa Pursh (original description)
Chrysanthemum tripartitum Sweet accepted as Chrysanthemum indicum L. (original description)
Erythrolaena Sweet accepted as Cirsium Mill. (original description)
Erythrolaena conspicua Sweet accepted as Cirsium conspicuum (G.Don) Sch.Bip. (original description)
Georgina crocata Sweet accepted as Dahlia coccinea Cav. (original description)
Rudbeckia nudicaulis Nutt. ex Sweet (original description)
Tagetes corymbosa Sweet accepted as Tagetes coronopifolia Willd. (original description)
Tagetes florida Sweet accepted as Tagetes lucida Cav. (original description)